#!/bin/sh -e

for patch in *.patch; do
    patch -p1 < "$patch"
done

# Update some crates which cause build failure with the latest
# Rust version (1.47.0). Fixes not backported to this ESR.
# This avoids patching 100 or so files which is just unreasonable.
# See: https://github.com/rust-lang/rust/issues/76482
#      https://github.com/rust-lang/rust/issues/76480
#      https://phabricator.services.mozilla.com/D89473
#      https://hg.mozilla.org/mozilla-central/rev/281a323cde5f
#      https://hg.mozilla.org/mozilla-central/rev/da77d5528a08
#      https://bugzilla.mozilla.org/show_bug.cgi?id=1663715
#      https://bugzilla.mozilla.org/show_bug.cgi?id=1670579
(
    cd third_party/rust

    for crate in *.crate; do
        crate_name=${crate%-*}
        crate_ver=${crate##*-}
        crate_ver=${crate_ver%%.crate}

        # Remove the pre-existing crate's files.
        rm -rf "$crate_name"

        # Add the updated crate's files.
        tar xf "$crate"

        # Rename <crate_name>-<crate_ver> to <crate_name>
        mv -f "${crate%%.crate}" "$crate_name"

        # Generate checksums.
        sha256=$(sha256sum "$crate")
        sha256=${sha256%% *}

        # Create .cargo-checksum.json to appease tooling.
        printf '{"package":"%s","files":{}}\n' "$sha256" \
            > "$crate_name/.cargo-checksum.json"

        # Update root Cargo.lock to reflect changes.
        sed -i "/name = \"$crate_name\"/ { 
            N
            s/version = \".*\"/version = \"$crate_ver\"/
            N
            N
            s/checksum = \".*\"/checksum = \"$sha256\"/ 
        }" ../../Cargo.lock
    done
)

# Build autoconf 2.13 for Firefox's sole use.
# See: https://bugzilla.mozilla.org/show_bug.cgi?id=104642
(
    cd autoconf2.13

    ./configure \
        --prefix="$PWD/../junk" \
        --program-suffix=-2.13

    make
    make install
)

# Build yasm for Firefox's sole use.
# Firefox is the only package which needs it
# and upstream is kinda dead.
(
    cd yasm

    ./configure \
        --prefix="$PWD/../junk"

    make
    make install
)
export PATH="$PWD/junk/bin:$PATH"

mkdir -p build
cd build

# Bypass 'ccache' as it's totally useless when building
# Firefox and only slows things down.
export CC="${CC:-/usr/bin/cc}"
export CXX="${CXX:-/usr/bin/c++}"

export LDFLAGS="$LDFLAGS -Wl,-rpath=/usr/lib/firefox"
export RUSTFLAGS="$RUSTFLAGS -Cdebuginfo=0"
export MOZ_DEBUG_FLAGS=-g0
export MOZ_NOSPAM=1

../configure \
    --prefix=/usr \
    --libdir=/usr/lib \
    --enable-official-branding \
    --enable-optimize="$CFLAGS -w" \
    --enable-install-strip \
    --enable-strip \
    --enable-rust-simd \
    --enable-application=browser \
    --enable-release \
    --enable-alsa \
    --without-system-nspr \
    --without-system-nss \
    --with-system-jpeg \
    --with-system-zlib \
    --with-system-png \
    --without-system-libvpx \
    --with-system-pixman \
    --with-system-ffi \
    --disable-profiling \
    --disable-accessibility \
    --disable-tests \
    --disable-system-extension-dirs \
    --disable-parental-controls \
    --disable-debug-symbols \
    --disable-callgrind \
    --disable-vtune \
    --disable-elf-hack \
    --disable-gold \
    --disable-jemalloc \
    --disable-pulseaudio \
    --disable-crashreporter \
    --disable-updater \
    --disable-dbus \
    --disable-eme \
    --disable-necko-wifi

make
make DESTDIR="$1" install

# Remove a lot of uneeded "stuff".
rm -rf "$1/usr/include"
rm -rf "$1/usr/lib/firefox-devel"
rm -rf "$1/usr/share/idl"
rm -rf "$1/usr/lib/firefox/gtk2" # Drop GTK+2 runtime dependency.
rm -f  "$1/usr/lib/firefox/browser/features/fxmonitor@mozilla.org.xpi"
rm -f  "$1/usr/lib/firefox/browser/features/screenshots@mozilla.org.xpi"
rm -f  "$1/usr/lib/firefox/browser/features/webcompat-reporter@mozilla.org.xpi"
rm -f  "$1/usr/lib/firefox/browser/features/webcompat@mozilla.org.xpi"
rm -f  "$1/usr/lib/firefox/browser/features/doh-rollout@mozilla.org.xpi"